
<template>
  <div>当前鼠标位置</div>
  <div>x: {{ mouse.x }}</div>
  <div>y: {{ mouse.y }}</div>
  <div>当前点击次数：{{ count }}</div>
  <button @click="add">点击</button>
</template>

<script>
import { onMounted, onUnmounted, reactive, ref } from 'vue'

export default {
  setup() {
    const count = ref(0)
    const add = () => {
      count.value++
    }

    const mouse = reactive ({
      x: 0,
      y: 0
    })

    const move = (e) => {
      mouse.x = e.pageX
      mouse.y = e.pageY
    }

    onMounted( () =>{
      document.addEventListener('mousemove', move)
    })
    onUnmounted( () => {
      document.removeEventListener('mousemove', move)
    })
    return {
      count,
      add,
      mouse
    }
  }
}
</script>
<style>
/* #app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
} */
</style>
